Helical post having a slotted mounting base



FIG. 1 is a top perspective view of a helical post having a slotted mounting base showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof.

The broken lines shown in FIG. 9 which show the bolts and the pole above the helical post having a slotted mounting base illustrate environment and form no part of the claimed design. 

CLAIM The ornamental design for a helical post having a slotted mounting base, as shown. 